In reading this fantastic post by Ben Hopson, I began thinking of simple things to build with the boys. Simple things with simple components. We have plenty of popsicle sticks and some 1/8" dowels so we decided to build a scissor lift. The video is self explanatory but if you have any questions you can always hit me here.
Also check out this awesome cardboard and paper lamp with an integrated scissor lift built by Instructables user Euphy.